I used to manage an indie rock band back in the day, and having our instruments break down or even stolen was definitely a huge concern. With technological progress, and especially the iDevice revolution, it seems like this is not much of a big deal anymore.
Indeed, after a New York City band, Atomic Tom, (spotted by 9to5mac) had their instruments stolen, the band realized they could just as well replace them with iPhones. They gave the idea a try on the subway, and you must admit the result is actually quite amazing. See for yourself:
Seeing how skilled they are, I have a feeling they’ve been experimenting with this for a little while. It definitely isn’t as random as they claim. Nevertheless, impressive performance isn’t it?